[ Building construction; ] services consisting of the rental of construction tools and building equipment; repair or maintenance, namely, repair and maintenance of buildings and building material, small items of metal hardware, pipes and tubes of metal, ores, metal pipe couplings and spiral welded steel pipes, flexible pipes and tubes, not of metal, non-metallic pipes and tubes, non-metallic couplings for tubes, plastic-coated spiral welded steel pipes; installation services, namely, installa...

pipes, and couplings and fittings therefor, all made of ferrous metal; manually operated metal valves; metal hardware; namely, condensate traps

pipes, and couplings and fittings therefor, all made of ferrous metal; manually operated metal valves; metal hardware; namely, condensate traps